Finding the Fourth Proportional to 147,019.53, 202,855.72 and 86,568.12

Step by Step Solution

1. Step 1: Write the proportion equation
   147,019.53 : 202,855.72 = 86,568.12 : x
2. Step 2: Convert to fraction form
   147,019.53/202,855.72 = 86,568.12/x
3. Step 3: Cross multiply
   147,019.53x = 202,855.72 × 86,568.12
4. Step 4: Simplify right side
   147,019.53x = 17,560,838,311.65
5. Step 5: Solve for x
   x = 17,560,838,311.65/147,019.53
6. Step 6: Final answer
   x = 119,445.62